
42 Getting started
Using function keys to access
frequently used features
The function keys provide access to some of the
features you will use most often. These features are
assigned to the function keys when the radio is
programmed. Some keys may have a feature
associated with both a short key press and a long key
press.
Two low-
pitched beeps
Radio’s temperature is high: The radio’s
temperature is in the high-temperature
range, but the radio will continue
to operate.
Two high-
pitched beeps
Radio’s temperature is very high: The
radio’s temperature is in the very high
temperature range and all transmissions
will now be at low power; if the radio’s
temperature rises outside this range,
transmissions will be inhibited. Turn off
the radio and allow it to cool down.
Continuous
low-pitched
tone
Radio system error: A system error has
occurred and the radio may be inoperable.
Contact your radio provider.
Two long high-
low pitched
tone pairs
Synthesizer is out-of-lock: The radio’s
synthesizer is out-of-lock on the current
channel and you cannot operate on that
channel
(
Out of Lock
appears on the
display).
Tone
Meaning
function key 1
(emergency key)
function key 2
function key 3
Summary of Contents for TP9100 Series P25
Page 1: ...TP9100 P25 Portable Radios User s Guide MPA 00001 12 Issue 12 March 2016 ...
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Page 158: ...158 Index W warning tones See audible tones warnings on radio display 142 Z zones 49 ...
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